8,800 oscillations/min. Thorough clean, even the hard to reach area. Remove 300% more plaques than a manual toothbrush. Long lasting time. For a full charge, it can last up to 30 days for normal use (brush twice each day). 3 modes for your choice: Clean, Soft, Massage. Clean mode for cleaning stains caused by coffee, smoke, tea; Soft mode for sensitive teeth; Massage mode for gums care. | Pursonic | | USB Rechargeable Electric Rotary Toothbrush | Black | Best Buy